1,1,2,2,3,3-hexafluorocyclopentane and use thereof in compositio

Details 1,1,2,2,3,3-hexafluorocyclopentane and use thereof in compositio 1,1,2,2,3,3-hexafluorocyclopentane and use thereof in compositio

1990-10-09

1992-01-28

Pal, Asok

Compositions

Water-softening or purifying or scale-inhibiting agents

134 40, 252171, 252364, 252DIG9, 570114, 570117, 570118, 570124, C11D 750

Patent

active

050841998

ABSTRACT:
The compound 1,1,2,2,3,3-hexafluorocyclopentane and mixtures thereof with alcohols, ethers, esters, ketones, nitromethane, and halogenated hydrocarbons are disclosed; as is a process for cleaning a solid surface which comprises treating the surface with said compound or said mixtures. Binary mixtures of 1,1,2,2,3,3-hexafluorocyclopentane either with about 27 to 35 weight percent methanol, or with about 21 to 29 weight percent ethanol are disclosed as azeotrope or azeotrope-like compositions and are particularly suited for use where solvent recovery and reuse is practiced.

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Burdon et al., "Fluorocyclopentanes, Part III. The Isomeric 1H:2H:3H- and 1H:2H:4H-Heptafluorocyclopentanes and the 1H:2H:3H:4:-Hexafluorocyclopentanes", J. Chem. Soc., 1965, pp. 2382-2391.
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